A brand of
Pinholes
Definition
Small holes in the paint surface due to pores and voids in the plastic. This problem often appears on soft flexible parts (e.g., polyurethane rear spoilers) and glass fiber-reinforced plastics.
Causes
- Expansion faults or foam holes in the plastic from production
Pinholes due to pores in the plastic., 20 x magnification
HOW TO AVOID
2. Thoroughly check the plastic part for pores before painting. Then fill the pores using Glasurit 839-90 Plastics Body Filler gray.
REPAIR
Porous paintwork can, in principal, be repaired using the pore filler wiping process. Denib the surface, fill the pores with 839-90 and refinish the area to be painted. Note: Too many pores in the plastic will make it very difficult to paint. It is important to check the plastic for pores thoroughly before painting.